Q. India's first Nuclear blast at Pokaran is Rajasthan took place in ?A. 1984B. 1974C. 1972D. 1999Ans: B (On 18 May 1974, India exploded its first nuclear device in an operation code named Smiling Buddha (Pokhran-I). After about a quarter century, on 11 May 1998, Operation Shakti (Pokhran-II) was carried out; Shakti was the codename for the nuclear devices that were detonated.)